| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
"cros_ec_typec:
- Clean up use of cros_ec_check_features
cros_ec_*:
- Rename and move cros_ec_pd_command to cros_ec_command, and make
changes to cros_ec_typec and cros_ec_proto to use the new common
command, reducing duplication.
sensorhub:
- simplify getting .driver_data in cros_ec_sensors_core and
cros_ec_sensorhub
misc:
- Maintainership change. Enric Balletbo i Serra has moved on from
Collabora, so removing him from chrome/platform maintainers. Thanks
for all of your hard work maintaining this, Enric, and best of luck
to you in your new role!
- Add Prashant Malani as driver maintainer for cros_ec_typec.c and
cros_usbpd_notify. He was already principal contributor of these
drivers"
* tag 'tag-chrome-platform-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_ec_proto: Use ec_command for check_features
platform/chrome: cros_ec_proto: Use EC struct for features
MAINTAINERS: Chrome: Drop Enric Balletbo i Serra
platform/chrome: cros_ec_typec: Use cros_ec_command()
platform/chrome: cros_ec_proto: Add version for ec_command
platform/chrome: cros_ec_proto: Make data pointers void
platform/chrome: cros_usbpd_notify: Move ec_command()
platform/chrome: cros_usbpd_notify: Rename cros_ec_pd_command()
platform/chrome: cros_ec: Fix spelling mistake "responsed" -> "response"
platform/chrome: cros_ec_sensorhub: simplify getting .driver_data
iio: common: cros_ec_sensors: simplify getting .driver_data
platform/chrome: cros-ec-typec: Cleanup use of check_features
platform/chrome: cros_ec_proto: Fix check_features ret val
MAINTAINERS: Add Prashant's maintainership of cros_ec drivers
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We should get 'driver_data' from 'struct device' directly. Going via
platform_device is an unneeded step back and forth.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210920090522.23784-7-wsa+renesas@sang-engineering.com
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Removed Drivers:
- Remove support for TI TPS80031/TPS80032 PMICs
New Device Support:
- Add support for Magnetic Reader to TI AM335x
- Add support for DA9063_EA to Dialog DA9063
- Add support for SC2730 PMIC to Spreadtrum SC27xx
- Add support for MacBookPro16,2 ICL-N UART Intel LPSS PCI
- Add support for lots of new PMICS in QCom SPMI PMIC
- Add support for ADC to Diolan DLN2
New Functionality:
- Add support for Power Off to Rockchip RK817
Fix-ups:
- Simplify Regmap passing to child devices in hi6421-spmi-pmic
- SPDX licensing updates in ti_am335x_tscadc
- Improve error handling in ti_am335x_tscadc
- Expedite clock search in ti_am335x_tscadc
- Generic simplifications in ti_am335x_tscadc
- Use generic macros/defines in ti_am335x_tscadc
- Remove unused code in ti_am335x_tscadc, cros_ec_dev
- Convert to GPIOD in wcd934x
- Add namespacing in ti_am335x_tscadc
- Restrict compilation to relevant arches in intel_pmt
- Provide better description/documentation in exynos_lpass
- Add SPI device ID table in altera-a10sr, motorola-cpcap,
sprd-sc27xx-spi
- Change IRQ handling in qcom-pm8xxx
- Split out I2C and SPI code in arizona
- Explicitly include used headers in altera-a10sr
- Convert sysfs show() function to in sysfs_emit
- Standardise *_exit() and *_remove() return values in mc13xxx,
stmpe, tps65912
- Trivial (style/spelling/whitespace) fixups in ti_am335x_tscadc,
qcom-spmi-pmic, max77686-private
- Device Tree fix-ups in ti,am3359-tscadc, samsung,s2mps11,
samsung,s2mpa01, samsung,s5m8767, brcm,misc, brcm,cru, syscon,
qcom,tcsr, xylon,logicvc, max77686, x-powers,ac100,
x-powers,axp152, x-powers,axp209-gpio, syscon, qcom,spmi-pmic
Bug Fixes:
- Balance refcounting (get/put) in ti_am335x_tscadc, mfd-core
- Fix IRQ trigger type in sec-irq, max77693, max14577
- Repair off-by-one in altera-sysmgr
- Add explicit 'select MFD_CORE' to MFD_SIMPLE_MFD_I2C"
* tag 'mfd-next-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (95 commits)
mfd: simple-mfd-i2c: Select MFD_CORE to fix build error
mfd: tps80031: Remove driver
mfd: max77686: Correct tab-based alignment of register addresses
mfd: wcd934x: Replace legacy gpio interface for gpiod
dt-bindings: mfd: qcom: pm8xxx: Add pm8018 compatible
mfd: dln2: Add cell for initializing DLN2 ADC
mfd: qcom-spmi-pmic: Add missing PMICs supported by socinfo
mfd: qcom-spmi-pmic: Document ten more PMICs in the binding
mfd: qcom-spmi-pmic: Sort compatibles in the driver
mfd: qcom-spmi-pmic: Sort the compatibles in the binding
mfd: janz-cmoio: Replace snprintf in show functions with sysfs_emit
mfd: altera-a10sr: Include linux/module.h
mfd: tps65912: Make tps65912_device_exit() return void
mfd: stmpe: Make stmpe_remove() return void
mfd: mc13xxx: Make mc13xxx_common_exit() return void
dt-bindings: mfd: syscon: Add samsung,exynosautov9-sysreg compatible
mfd: altera-sysmgr: Fix a mistake caused by resource_size conversion
dt-bindings: gpio: Convert X-Powers AXP209 GPIO binding to a schema
dt-bindings: mfd: syscon: Add rk3368 QoS register compatible
mfd: arizona: Split of_match table into I2C and SPI versions
...
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This driver supports both the legacy controller (am33xx) and the
extended one (am437x), so let's add a new compatible.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-46-miquel.raynal@bootlin.com
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Without the scale, the values returned to the user are just a picture of
the input voltage against the full scale range of the ADC. We need to
provide the actual conversion factor to get milli-Volts values.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-45-miquel.raynal@bootlin.com
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The lack of unit in the macro name kind of tricked me when I was
troubleshooting an issue. Physical constants should always get a unit.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-44-miquel.raynal@bootlin.com
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Move the checks over the delays provided in the device tree to the
location where these values are read to clarify where they come from.
There are no functional changes besides the device structure used to
display the warnings: let's use the ADC instead of the MFD device.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-43-miquel.raynal@bootlin.com
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Gotos jumping to a return statement are not really useful, drop them.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-42-miquel.raynal@bootlin.com
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These warnings are reported by checkpatch.pl essentially.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-41-miquel.raynal@bootlin.com
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Drop the text license and replace it with an equivalent SPDX license tag
identifier which also matches the MODULE_LICENSE("GPL").
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-40-miquel.raynal@bootlin.com
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At least on a am4372, a simple:
$ cat /sys/bus/iio/devices/iio\:deviceX/in_voltage*_raw
can stall forever. It seems that it comes from the fact that the
internal state machine does not have enough time to return to its idle
state in this situation before receiving another request, leading to an
internal stall.
Add a tiadc_wait_idle() helper to ensure no new conversion is requested
while the FSM is still busy.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-39-miquel.raynal@bootlin.com
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This bit is common to all devices (ADC, Touchscreen, Magnetic reader) so
make it clear that it can be used from any location by operating a
mechanical rename:
s/CNTRLREG_TSCSSENB/CNTRLREG_SSENB/
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-31-miquel.raynal@bootlin.com
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Clearly define the maximum open delay and sample delay. Use these
definitions in place of a mask (which works because this is the first
field in the register) and an open-coded value. While at it reword a
little bit the error messages to make them look clearer and similar.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-29-miquel.raynal@bootlin.com
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Clean the ti_am335x_tscadc.h header by:
* converting masks to GENMASK()
* converting regular shifts to BIT()
* using FIELD_PREP() when relevant
Sometimes reorder the lines to be able to use the relevant bitmask.
Mind the s/%d/%ld/ change in a log due to the type change following the
use of FIELD_PREP() in the header.
Suggested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-28-miquel.raynal@bootlin.com
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Clang warns:
drivers/iio/frequency/adrf6780.c:117:1: error: all paths through this
function will call itself [-Werror,-Winfinite-recursion]
{
^
drivers/iio/frequency/adrf6780.c:138:1: error: all paths through this
function will call itself [-Werror,-Winfinite-recursion]
{
^
2 errors generated.
The underscore variants should be used here.
Link: https://github.com/ClangBuiltLinux/linux/issues/1490
Fixes: 63aaf6d06d87 ("iio: frequency: adrf6780: add support for ADRF6780")
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20211022195656.1513147-1-nathan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
2nd set of IIO new driver, cleanups and features for the 5.16 cycle
New device support
* adrf6780 microwave upconverter.
- New driver for this interesting device including bindings.
Features
* lite-on ltr501
- Add dt-bindings including vendor ID and of_device_id table.
- Add regulator support.
* sensiron,scd4x
- Add reporting of channel scale.
Cleanups including fixes for things in this cycle
* Tree wide: Another set of dev_err_probe() introductions to reduce
noise in logs when deferred probing is needed and provide more debug
info. Devices included this time:
- amlogic,meson_saradc
- capella,cm3605
- fsl,imx7d
- maxim,max1118
- maxim,max1241
- nxp,lpc18xx
- qcom,pm8xxxx-xoadc
- rockchip,saradc
- sharp,gp2ap002
- sterricson,ab8500
- ti,ads7950
* core - iio:buffer
- Fix a path where a ret value is not intialized.
* channel-mux
- Add support to mux core subsystem for a settling delay and use
it in the iio-channel-mux driver.
- Fix a few dt binding warnings.
* nxp,lpc18xx
- Convert to devm_ functions for all of probe and drop remove()
* st,lsm6dsx
- Suppress a warning due to lack of handling of an enum *_MAX entry
that is just there to get the size.
* st,stm32-adc
- Add generic channel binding, deprecating the old approach.
- Add nvmem support to get calibration data for the vrefint channel and
use it to perform such calibration.
- Add a binding for sample-time to the generic channel description as it
can be per channel.
* ti,adc128s052
- Use devm_ managed functions and drop remove()
* vti,sca3000
- Use sign_extend32() rather than opencoding.
* xilinx,xadc
- Drop irq field from state structure as now just used in probe.
* tag 'iio-for-5.16b' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (36 commits)
dt-bindings: iio: frequency: add adrf6780 doc
iio: frequency: adrf6780: add support for ADRF6780
iio: chemical: scd4x: Add a scale for the co2 concentration reading
dt-bindings: iio: io-channel-mux: allow duplicate channel, labels
dt-bindings: iio: io-channel-mux: add optional #io-channel-cells
iio: adc: adc128s052: Simplify adc128_probe()
iio: multiplexer: iio-mux: Support settle-time-us property
dt-bindings: iio: io-channel-mux: Add property for settle time
mux: add support for delay after muxing
iio: adc: stm32-adc: use generic binding for sample-time
iio: adc: stm32-adc: add vrefint calibration support
iio: adc: stm32-adc: add support of internal channels
iio: adc: stm32-adc: add support of generic channels binding
iio: adc: stm32-adc: split channel init into several routines
dt-bindings: iio: stm32-adc: add nvmem support for vrefint internal channel
dt-bindings: iio: stm32-adc: add generic channel binding
iio: accel: sca3000: Use sign_extend32() instead of opencoding sign extension.
iio: xilinx-xadc: Remove `irq` field from state struct
iio: imu: st_lsm6dsx: Avoid potential array overflow in st_lsm6dsx_set_odr()
iio: light: gp2ap002: Make use of the helper function dev_err_probe()
...
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The ADRF6780 is a silicon germanium (SiGe) design, wideband,
microwave upconverter optimized for point to point microwave
radio designs operating in the 5.9 GHz to 23.6 GHz frequency
range.
Datasheet:
https://www.analog.com/media/en/technical-documentation/data-sheets/ADRF6780.pdf
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://lore.kernel.org/r/20211021113244.56936-1-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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This patch adds a scale for the co2 concentration reading. The reading is
expressed in percent after applying the scale to the raw value.
Signed-off-by: Roan van Dijk <roan@protonic.nl>
Link: https://lore.kernel.org/r/20211021140018.3051213-1-roan@protonic.nl
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Turn 'adc128_probe()' into a full resource managed function to simplify the
code.
This way, the .remove function can be removed.
Doing so, the only 'spi_get_drvdata()' call is removed and the
corresponding 'spi_set_drvdata()' can be removed as well.
Suggested-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/4fa7fcc59c40e27af0569138d656c698a53dbd44.1630002770.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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If the devicetree specifies that the hardware requires a settle time,
pass this time on to the mux APIs.
Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Tested-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Peter Rosin <peda@axentia.se>
Link: https://lore.kernel.org/r/20211007134641.13417-4-vincent.whitchurch@axis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add st,min-sample-time-nsecs to channel generic binding.
Sample time can be defined par channel node. If a channel
is configured as differential, the same sample time applies
for both inputs.
Keep support of legacy st,min-sample-time-nsecs property
for backward compatibility.
Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Reviewed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/20211014131228.4692-8-olivier.moysan@foss.st.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add support of vrefint calibration.
If a channel is labeled as vrefint, get vrefint calibration
from non volatile memory for this channel.
vrefint channel is exposed as a processed channel returning
the actual value of vrefp:
vrefp = 3.3 x vrefint_cal / vrefint_data
A conversion on vrefint channel allows to update scale
factor according to vrefint deviation, compared to vrefint
calibration value.
Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Reviewed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/20211014131228.4692-7-olivier.moysan@foss.st.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add support of ADC2 internal channels VDDCORE, VREFINT and VBAT.
The reserved label name "vddcore", "vrefint" and "vbat" must
be used in Device Tree channel node, to enable the corresponding
internal channel.
Note: This patch does not provide support of internal channels
for F4 and H7.
Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Reviewed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/20211014131228.4692-6-olivier.moysan@foss.st.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add support of generic IIO channel binding:
./devicetree/bindings/iio/adc/adc.yaml
Keep support of st,adc-channels and st,adc-diff-channels
for backward compatibility.
Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Reviewed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/20211014131228.4692-5-olivier.moysan@foss.st.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Split stm32_adc_chan_of_init channel initialization function into
several routines to increase readability and prepare channel
generic binding handling.
Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Reviewed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/20211014131228.4692-4-olivier.moysan@foss.st.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Whilst nice to get rid of this non obvious code, this also clears a
static checker warning:
drivers/iio/accel/sca3000.c:734 sca3000_read_raw()
warn: no-op. '((*val) << 19) >> 19'
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20211017160303.72441-1-jic23@kernel.org
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Since commit 2a9685d1a3b7 ("iio: adc: xilinx: use more devres helpers and
remove remove()") the `irq` field from XADC driver state struct is only
used in the `probe()` function.
Use the local `irq` variable throughout the `probe()` function and remove
the now unused field from the state struct.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20211017121551.24063-1-lars@metafoo.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The length of hw->settings->odr_table is 2 and ref_sensor->id is an enum
variable whose value is between 0 and 5.
However, the value ST_LSM6DSX_ID_MAX (i.e. 5) is not caught properly in
switch (sensor->id) {
If ref_sensor->id is ST_LSM6DSX_ID_MAX, an array overflow will ocurrs in
function st_lsm6dsx_check_odr():
odr_table = &sensor->hw->settings->odr_table[sensor->id];
and in function st_lsm6dsx_set_odr():
reg = &hw->settings->odr_table[ref_sensor->id].reg;
To avoid this array overflow, handle ST_LSM6DSX_ID_GYRO explicitly and
return -EINVAL for the default case.
The enum value ST_LSM6DSX_ID_MAX is only present as an easy way to check
the limit and as such is never used, however this is not locally obvious.
Reported-by: TOTE Robot <oslab@tsinghua.edu.cn>
Signed-off-by: Teng Qi <starmiku1207184332@gmail.com>
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/20211011114003.976221-1-starmiku1207184332@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
Using dev_err_probe() can reduce code size, and the error value
gets printed.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20211008092656.421-3-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
Using dev_err_probe() can reduce code size, and the error value
gets printed.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20211008092656.421-1-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
Using dev_err_probe() can reduce code size, and the error value
gets printed.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20211008092858.495-9-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
Using dev_err_probe() can reduce code size, and the error value
gets printed.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20211008092858.495-8-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
Using dev_err_probe() can reduce code size, and the error value
gets printed.
BTW, change the return value from 'ENXIO' to 'ENODEV',
perfer ENODEV which means no such device.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20211008092858.495-7-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
Using dev_err_probe() can reduce code size, and the error value
gets printed.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> #Meson8b Odroid-C1
Link: https://lore.kernel.org/r/20211008092858.495-6-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
Using dev_err_probe() can reduce code size, and the error value
gets printed.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20211008092858.495-5-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
Using dev_err_probe() can reduce code size, and the error value
gets printed.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20211008092858.495-4-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
Using dev_err_probe() can reduce code size, and the error value
gets printed.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20211008092858.495-3-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
Using dev_err_probe() can reduce code size, and the error value
gets printed.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20211008092858.495-2-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
Using dev_err_probe() can reduce code size, and the error value
gets printed.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20211008092858.495-1-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When !iio_buffer_space_available(rb) is true and signal_pending(current)
is false the end of the do-while loop is reached and the uninitialized
variable ret is zero checked. Fix this by initializing variable ret to
zero.
Addresses-Coverity: ("Uninitialized scalar variable")
Fixes: 9eeee3b0bf19 ("iio: Add output buffer support")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20211015153254.33783-1-colin.king@canonical.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The remove function and the goto sections are not necessary if devm
functions are used.
Convert device register to devm version. Add hook functions to release
device resources, and use them inside probe with devm_add_action,
which will release resources on driver detach.
To maintain the order of which device resources were released/reseted,
register the hook functions as soon as resources are obtained/initialized.
Since devres actions are called on driver detach, the remove
function and the error-handling goto sections are no longer necessary.
Signed-off-by: André Gustavo Nakagomi Lopez <andregnl@usp.br>
Link: https://lore.kernel.org/r/YWnMsGlc/I35gYvy@Andryuu.br
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add of_device_id table so the driver can be used on DT platforms without
relying on i2c_device_id fallback. (So DT schema validation is possible)
Signed-off-by: Nikita Travkin <nikita@trvn.ru>
Link: https://lore.kernel.org/r/20211006163058.145842-4-nikita@trvn.ru
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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On some platforms the supply regulators must be enabled before the
sensor can work. Add vdd and vddio regulators for the sensor and IO bus
power respectively.
Signed-off-by: Nikita Travkin <nikita@trvn.ru>
Link: https://lore.kernel.org/r/20211006163058.145842-3-nikita@trvn.ru
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
First set of IIO fixes for the 5.16 cycle
As these are very late in the 5.15 cycle and non are particularly urgent,
they can wait for the merge window.
Key element in this set is Yang Yingliang has identified a number of
issues in error paths introduced recently when we added multiple
buffer support.
Other fixes:
* adi,ad5662
- Fix handling of i2c_master_send() return value.
* adi,ad5766
- Fix a wrong dt-property name that indicated wrong units and
did not mach the bindings.
- Associated 'fix' of the bindings example to have a possible scale.
* st,pressure-spi
- Add some missing entries to the spi_device_id table to ensure
auto-loading works.
* ti,tsc2046
- Fix a backwards comparison leading to a false dev_warn
* tag 'iio-fixes-for-5.16a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: buffer: Fix memory leak in iio_buffers_alloc_sysfs_and_mask()
iio: adc: tsc2046: fix scan interval warning
iio: core: fix double free in iio_device_unregister_sysfs()
iio: core: check return value when calling dev_set_name()
iio: buffer: Fix memory leak in iio_buffer_register_legacy_sysfs_groups()
iio: buffer: Fix double-free in iio_buffers_alloc_sysfs_and_mask()
iio: buffer: Fix memory leak in __iio_buffer_alloc_sysfs_and_mask()
iio: buffer: check return value of kstrdup_const()
iio: dac: ad5446: Fix ad5622_write() return value
Documentation:devicetree:bindings:iio:dac: Fix val
drivers: iio: dac: ad5766: Fix dt property name
iio: st_pressure_spi: Add missing entries SPI to device ID table
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When 'iio_dev_opaque->buffer_ioctl_handler' alloc fails in
iio_buffers_alloc_sysfs_and_mask(), the 'attrs' allocated in
iio_buffer_register_legacy_sysfs_groups() will be leaked:
unreferenced object 0xffff888108568d00 (size 128):
comm "88", pid 2014, jiffies 4294963294 (age 26.920s)
hex dump (first 32 bytes):
80 3e da 02 80 88 ff ff 00 3a da 02 80 88 ff ff .>.......:......
00 35 da 02 80 88 ff ff 00 38 da 02 80 88 ff ff .5.......8......
backtrace:
[<0000000095a9e51e>] __kmalloc+0x1a3/0x2f0
[<00000000faa3735e>] iio_buffers_alloc_sysfs_and_mask+0xfa3/0x1480 [industrialio]
[<00000000a46384dc>] __iio_device_register+0x52e/0x1b40 [industrialio]
[<00000000210af05e>] __devm_iio_device_register+0x22/0x80 [industrialio]
[<00000000730d7b41>] adjd_s311_probe+0x195/0x200 [adjd_s311]
[<00000000c0f70eb9>] i2c_device_probe+0xa07/0xbb0
The iio_buffer_register_legacy_sysfs_groups() is
called in __iio_buffer_alloc_sysfs_and_mask(),
so move the iio_buffer_unregister_legacy_sysfs_groups()
into __iio_buffer_free_sysfs_and_mask(), then the memory
will be freed.
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: d9a625744ed0 ("iio: core: merge buffer/ & scan_elements/ attributes")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20211018063718.1971240-1-yangyingliang@huawei.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Sync if statement with the actual warning.
Fixes: 9504db5765e8 ("iio: adc: tsc2046: fix a warning message in tsc2046_adc_update_scan_mode()")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20211007093007.1466-2-o.rempel@pengutronix.de
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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I got the double free report:
BUG: KASAN: double-free or invalid-free in kfree+0xce/0x390
iio_device_unregister_sysfs+0x108/0x13b [industrialio]
iio_dev_release+0x9e/0x10e [industrialio]
device_release+0xa5/0x240
If __iio_device_register() fails, iio_dev_opaque->groups will be freed
in error path in iio_device_unregister_sysfs(), then iio_dev_release()
will call iio_device_unregister_sysfs() again, it causes double free.
Set iio_dev_opaque->groups to NULL when it's freed to fix this double free.
Not this is a local work around for a more general mess around life time
management that will get cleaned up and should make this handling
unnecesarry.
Fixes: 32f171724e5c ("iio: core: rework iio device group creation")
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20211013030532.956133-1-yangyingliang@huawei.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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I got a null-ptr-deref report when doing fault injection test:
BUG: kernel NULL pointer dereference, address: 0000000000000000
RIP: 0010:strlen+0x0/0x20
Call Trace:
start_creating+0x199/0x2f0
debugfs_create_dir+0x25/0x430
__iio_device_register+0x4da/0x1b40 [industrialio]
__devm_iio_device_register+0x22/0x80 [industrialio]
max1027_probe+0x639/0x860 [max1027]
spi_probe+0x183/0x210
really_probe+0x285/0xc30
If dev_set_name() fails, the dev_name() is null, check the return
value of dev_set_name() to avoid the null-ptr-deref.
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: e553f182d55b ("staging: iio: core: Introduce debugfs support...")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Cc: <Stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211012063624.3167460-1-yangyingliang@huawei.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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If the second iio_device_register_sysfs_group() fails,
'legacy_buffer_group.attrs' need be freed too or it will
cause memory leak:
unreferenced object 0xffff888003618280 (size 64):
comm "xrun", pid 357, jiffies 4294907259 (age 22.296s)
hex dump (first 32 bytes):
80 f6 8c 03 80 88 ff ff 80 fb 8c 03 80 88 ff ff ................
00 f9 8c 03 80 88 ff ff 80 fc 8c 03 80 88 ff ff ................
backtrace:
[<00000000076bfd43>] __kmalloc+0x1a3/0x2f0
[<00000000c32e4886>] iio_buffers_alloc_sysfs_and_mask+0xc31/0x1290 [industrialio]
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: d9a625744ed0 ("iio: core: merge buffer/ & scan_elements/ attributes")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20211013144242.1685060-1-yangyingliang@huawei.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When __iio_buffer_alloc_sysfs_and_mask() failed, 'unwind_idx' should be
set to 'i - 1' to prevent double-free when cleanup resources.
BUG: KASAN: double-free or invalid-free in __iio_buffer_free_sysfs_and_mask+0x32/0xb0 [industrialio]
Call Trace:
kfree+0x117/0x4c0
__iio_buffer_free_sysfs_and_mask+0x32/0xb0 [industrialio]
iio_buffers_alloc_sysfs_and_mask+0x60d/0x1570 [industrialio]
__iio_device_register+0x483/0x1a30 [industrialio]
ina2xx_probe+0x625/0x980 [ina2xx_adc]
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: ee708e6baacd ("iio: buffer: introduce support for attaching more IIO buffers")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211013094923.2473-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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